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Hi, I’m John Campbell, a senior frontend and full-stack web developer with 14 years of experience designing and delivering modern, responsive, and high-performing web applications for enterprise and community-driven platforms. I focus on intuitive UX/UI, robust backends, and reliable, scalable architectures, and I thrive in remote, collaborative teams. I enjoy turning complex requirements into accessible, visually appealing digital hubs that empower communities and local businesses through technology-driven engagement.…Hi, I’m John Campbell, a senior frontend and full-stack web developer with 14 years of experience designing and delivering modern, responsive, and high-performing web applications for enterprise and community-driven platforms. I focus on intuitive UX/UI, robust backends, and reliable, scalable architectures, and I thrive in remote, collaborative teams. I enjoy turning complex requirements into accessible, visually appealing digital hubs that empower communities and local businesses through technology-driven engagement.

John Robert Campbell Jr.

Full Stack Developer, Front-End Developer, Web Developer, +2

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Hi, I’m John Campbell, a senior frontend and full-stack web developer with 14 years of experience designing and delivering modern, responsive, and high-performing web applications for enterprise and community-driven platforms. I focus on intuitive UX/UI, robust backends, and reliable, scalable architectures, and I thrive in remote, collaborative teams. I enjoy turning complex requirements into accessible, visually appealing digital hubs that empower communities and local businesses through technology-driven engagement.…Hi, I’m John Campbell, a senior frontend and full-stack web developer with 14 years of experience designing and delivering modern, responsive, and high-performing web applications for enterprise and community-driven platforms. I focus on intuitive UX/UI, robust backends, and reliable, scalable architectures, and I thrive in remote, collaborative teams. I enjoy turning complex requirements into accessible, visually appealing digital hubs that empower communities and local businesses through technology-driven engagement.

Available to hire

Hi, I’m John Campbell, a senior frontend and full-stack web developer with 14 years of experience designing and delivering modern, responsive, and high-performing web applications for enterprise and community-driven platforms.

I focus on intuitive UX/UI, robust backends, and reliable, scalable architectures, and I thrive in remote, collaborative teams. I enjoy turning complex requirements into accessible, visually appealing digital hubs that empower communities and local businesses through technology-driven engagement.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Senior Frontend & Web Application Developer at Bounteous

June 1, 2021 - May 1, 2025

Led architecture and delivery of modern, responsive websites using React.js, HTML5, and CSS3. Implemented secure authentication with JWT and OAuth 2.0 and RBAC; built dashboards with integrated content-management features for streamlined updates. Optimized frontend performance with code-splitting, lazy loading, and caching, reducing page load times by 42% across desktop and mobile. Designed mobile-first, accessible UX/UI aligning with WCAG standards. Collaborated remotely with cross-functional teams to deliver high-quality releases within two-week sprints, including promotional sites and local business showcases. Integrated RESTful APIs with Node.js/Express for robust data handling and real-time updates.

Full Stack Software Engineer at Aetna

June 1, 2017 - May 1, 2021

Designed and maintained enterprise-grade web portals using Angular, JavaScript, and RESTful APIs; implemented secure authentication and session management to meet health-care compliance standards. Enhanced admin tools for promotional content and member resources; improved frontend usability by redesigning components with UX/UI best practices, boosting user satisfaction. Implemented backend services in Node.js/Express and integrated structured content management for seamless updates. Automated deployments with CI/CD pipelines, reducing release cycle times and improving reliability. Conducted code reviews and enforced coding standards to improve maintainability across teams.

Web Application Developer at Dexcom

June 1, 2014 - May 1, 2017

Developed and maintained enterprise-grade web portals using Angular, JavaScript, and RESTful APIs, supporting over 500,000 active users. Implemented secure user authentication and session handling aligned with health-care compliance standards. Built administrative tooling for promotional content and member resources and integrated a structured CMS for seamless updates. Enhanced frontend performance and usability through component redesign and accessibility audits, ensuring WCAG compliance. Integrated backend services with Node.js/Express, enabling robust data flows and real-time updates. Collaborated with distributed teams in Agile environments to meet aggressive deadlines.

Junior Web Developer at Kellton

June 1, 2012 - May 1, 2014

Developed responsive client websites using HTML, CSS, and JavaScript; built admin panels and data-driven content modules with Node.js. Implemented user authentication and integrated third-party APIs to extend platform functionality. Improved usability through UX-focused redesigns and iterative UI refinements; ensured cross-browser compatibility and optimized frontend performance. Documented development workflows and supported deployment activities in collaboration with senior developers.